Mine Site Technologies impact, Руководство пользователя, Страница: 102 / 130

Solution Possible Causes Problem
Incorrect earthing scheme. Power supply
instability.
• Check antennas are insulated from ground.
• Check PCB in the network switch has a floating earth
(not grounded).
There are too many network devices
on the one power supply.
• Add additional power supplies.
• Isolate network segments so that in event of power
supply failure, an overload condition is avoided.
Check MAC addresses configured on the WNS using the
web browser interface. Incorrect MAC address. WDS link fails to
establish.
Disable security on WDS link using the web browser
interface. Security settings do not match on each
side of the WDS link.
Check the connectors and fibre ports are clean. Clean
using alcohol wipes or fibre optic cleaning kits. NB: Do Composite connector or fibre port is
dirty. Signal loss in the
fibre optic cable.
not use air spray as the compressor oil can leave residue.
Refer to
Composite Cable Testing on page 103 for testing.
There is a configuration problem with
the PC. The Internet or
the LAN cannot
be accessed with
• Re-boot the computer with the wireless adapter that
has had TCP/IP changes applied to it. The computer
with the wireless adapter may not have the correct
TCP/IP settings to communicate with the network.
a wireless-capable
PC.
• Restart the computer and check settings for the
network via the Internet Protocol (TCP/IP)
Properties dialog box. Refer to
Connecting a PC to
an ImPact Network Device on page 107. If this is not
resolved, try to ‘Obtain an IP address automatically'
option button.
• Check the WNS default configuration against the
configuration of other devices on the network.
Check the port activity light is on. If the light is not on,
connect a PC to the network switch to access the web The port on the WNS is disabled.
browser interface. Go to the Basic>Switch screen and
check the port is enabled.
Connect a PC to another port on the network switch to
access the network. In the web browser interface, check VLAN(s) on the port are not properly
configured.
that VLAN membership is assigned to the port for Internet
/ LAN access.
Revision A 102 Wireless Network Switch User Manual
Troubleshooting Guide